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*(Pictures from left to right) 1. A Palestinian boy looks through a hole in the gate of his house in Gaza City, as clashes continue in the Gaza Strip between militants and the Israeli military; 2. Singer Madonna invites herself to the Berlin film event; 3. Roses displayed at a flower auction market in Naaldwijk, Holland, in the run up to Valentine's Day. Almost four million roses are traded in the market every day; 4. A rare frog that uses semaphore to communicate; 5. Sony's Blu-ray has triumphed over Toshiba's HD DVD in the race for next generation storage media; 6. The London Fashion Show begins.